mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-03-01 15:21:02 +03:00
596 lines
16 KiB
PHP
596 lines
16 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Feed\Reader\Entry;
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use DateTime;
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use DOMElement;
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use DOMXPath;
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use Zend\Feed\Reader;
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use Zend\Feed\Reader\Exception;
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class Rss extends AbstractEntry implements EntryInterface
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{
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/**
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* XPath query for RDF
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*
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* @var string
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*/
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protected $xpathQueryRdf = '';
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/**
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* XPath query for RSS
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*
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* @var string
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*/
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protected $xpathQueryRss = '';
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/**
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* Constructor
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*
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* @param DOMElement $entry
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* @param string $entryKey
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* @param string $type
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*/
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public function __construct(DOMElement $entry, $entryKey, $type = null)
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{
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parent::__construct($entry, $entryKey, $type);
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$this->xpathQueryRss = '//item[' . ($this->entryKey+1) . ']';
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$this->xpathQueryRdf = '//rss:item[' . ($this->entryKey+1) . ']';
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$manager = Reader\Reader::getExtensionManager();
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$extensions = array(
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'DublinCore\Entry',
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'Content\Entry',
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'Atom\Entry',
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'WellFormedWeb\Entry',
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'Slash\Entry',
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'Thread\Entry',
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);
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foreach ($extensions as $name) {
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$extension = $manager->get($name);
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$extension->setEntryElement($entry);
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$extension->setEntryKey($entryKey);
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$extension->setType($type);
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$this->extensions[$name] = $extension;
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}
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}
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/**
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* Get an author entry
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*
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* @param int $index
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* @return string
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*/
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public function getAuthor($index = 0)
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{
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$authors = $this->getAuthors();
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if (isset($authors[$index])) {
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return $authors[$index];
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}
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return;
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}
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/**
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* Get an array with feed authors
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*
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* @return array
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*/
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public function getAuthors()
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{
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if (array_key_exists('authors', $this->data)) {
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return $this->data['authors'];
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}
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$authors = array();
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$authorsDc = $this->getExtension('DublinCore')->getAuthors();
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if (!empty($authorsDc)) {
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foreach ($authorsDc as $author) {
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$authors[] = array(
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'name' => $author['name']
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);
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}
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}
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10
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&& $this->getType() !== Reader\Reader::TYPE_RSS_090) {
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$list = $this->xpath->query($this->xpathQueryRss . '//author');
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} else {
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$list = $this->xpath->query($this->xpathQueryRdf . '//rss:author');
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}
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if ($list->length) {
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foreach ($list as $author) {
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$string = trim($author->nodeValue);
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$data = array();
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// Pretty rough parsing - but it's a catchall
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if (preg_match("/^.*@[^ ]*/", $string, $matches)) {
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$data['email'] = trim($matches[0]);
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if (preg_match("/\((.*)\)$/", $string, $matches)) {
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$data['name'] = $matches[1];
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}
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$authors[] = $data;
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}
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}
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}
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if (count($authors) == 0) {
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$authors = $this->getExtension('Atom')->getAuthors();
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} else {
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$authors = new Reader\Collection\Author(
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Reader\Reader::arrayUnique($authors)
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);
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}
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if (count($authors) == 0) {
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$authors = null;
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}
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$this->data['authors'] = $authors;
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return $this->data['authors'];
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}
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/**
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* Get the entry content
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*
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* @return string
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*/
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public function getContent()
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{
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if (array_key_exists('content', $this->data)) {
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return $this->data['content'];
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}
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$content = $this->getExtension('Content')->getContent();
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if (!$content) {
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$content = $this->getDescription();
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}
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if (empty($content)) {
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$content = $this->getExtension('Atom')->getContent();
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}
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$this->data['content'] = $content;
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return $this->data['content'];
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}
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/**
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* Get the entry's date of creation
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*
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* @return string
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*/
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public function getDateCreated()
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{
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return $this->getDateModified();
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}
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/**
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* Get the entry's date of modification
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*
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* @throws Exception\RuntimeException
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* @return string
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*/
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public function getDateModified()
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{
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if (array_key_exists('datemodified', $this->data)) {
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return $this->data['datemodified'];
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}
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$date = null;
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10
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&& $this->getType() !== Reader\Reader::TYPE_RSS_090
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) {
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$dateModified = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/pubDate)');
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if ($dateModified) {
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$dateModifiedParsed = strtotime($dateModified);
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if ($dateModifiedParsed) {
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$date = new DateTime('@' . $dateModifiedParsed);
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} else {
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$dateStandards = array(DateTime::RSS, DateTime::RFC822,
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DateTime::RFC2822, null);
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foreach ($dateStandards as $standard) {
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try {
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$date = date_create_from_format($standard, $dateModified);
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break;
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} catch (\Exception $e) {
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if ($standard === null) {
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throw new Exception\RuntimeException(
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'Could not load date due to unrecognised'
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.' format (should follow RFC 822 or 2822):'
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. $e->getMessage(),
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0, $e
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);
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}
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}
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}
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}
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}
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}
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if (!$date) {
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$date = $this->getExtension('DublinCore')->getDate();
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}
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if (!$date) {
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$date = $this->getExtension('Atom')->getDateModified();
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}
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if (!$date) {
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$date = null;
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}
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$this->data['datemodified'] = $date;
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return $this->data['datemodified'];
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}
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/**
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* Get the entry description
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*
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* @return string
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*/
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public function getDescription()
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{
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if (array_key_exists('description', $this->data)) {
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return $this->data['description'];
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}
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$description = null;
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10
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&& $this->getType() !== Reader\Reader::TYPE_RSS_090
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) {
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$description = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/description)');
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} else {
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$description = $this->xpath->evaluate('string(' . $this->xpathQueryRdf . '/rss:description)');
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}
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if (!$description) {
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$description = $this->getExtension('DublinCore')->getDescription();
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}
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if (empty($description)) {
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$description = $this->getExtension('Atom')->getDescription();
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}
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if (!$description) {
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$description = null;
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}
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$this->data['description'] = $description;
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return $this->data['description'];
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}
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/**
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* Get the entry enclosure
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* @return string
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*/
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public function getEnclosure()
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{
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if (array_key_exists('enclosure', $this->data)) {
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return $this->data['enclosure'];
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}
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$enclosure = null;
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if ($this->getType() == Reader\Reader::TYPE_RSS_20) {
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$nodeList = $this->xpath->query($this->xpathQueryRss . '/enclosure');
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if ($nodeList->length > 0) {
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$enclosure = new \stdClass();
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$enclosure->url = $nodeList->item(0)->getAttribute('url');
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$enclosure->length = $nodeList->item(0)->getAttribute('length');
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$enclosure->type = $nodeList->item(0)->getAttribute('type');
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}
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}
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if (!$enclosure) {
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$enclosure = $this->getExtension('Atom')->getEnclosure();
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}
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$this->data['enclosure'] = $enclosure;
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return $this->data['enclosure'];
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}
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/**
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* Get the entry ID
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*
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* @return string
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*/
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public function getId()
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{
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if (array_key_exists('id', $this->data)) {
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return $this->data['id'];
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}
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$id = null;
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10
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&& $this->getType() !== Reader\Reader::TYPE_RSS_090
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) {
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$id = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/guid)');
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}
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if (!$id) {
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$id = $this->getExtension('DublinCore')->getId();
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}
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if (empty($id)) {
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$id = $this->getExtension('Atom')->getId();
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}
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if (!$id) {
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if ($this->getPermalink()) {
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$id = $this->getPermalink();
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} elseif ($this->getTitle()) {
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$id = $this->getTitle();
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} else {
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$id = null;
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}
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}
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$this->data['id'] = $id;
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return $this->data['id'];
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}
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/**
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* Get a specific link
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*
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* @param int $index
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* @return string
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*/
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public function getLink($index = 0)
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{
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if (!array_key_exists('links', $this->data)) {
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$this->getLinks();
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}
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if (isset($this->data['links'][$index])) {
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return $this->data['links'][$index];
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}
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return;
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}
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/**
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* Get all links
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*
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* @return array
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*/
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public function getLinks()
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{
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if (array_key_exists('links', $this->data)) {
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return $this->data['links'];
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}
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$links = array();
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10 &&
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$this->getType() !== Reader\Reader::TYPE_RSS_090) {
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$list = $this->xpath->query($this->xpathQueryRss . '//link');
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} else {
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$list = $this->xpath->query($this->xpathQueryRdf . '//rss:link');
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}
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if (!$list->length) {
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$links = $this->getExtension('Atom')->getLinks();
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} else {
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foreach ($list as $link) {
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$links[] = $link->nodeValue;
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}
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}
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$this->data['links'] = $links;
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return $this->data['links'];
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}
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/**
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* Get all categories
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*
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* @return Reader\Collection\Category
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*/
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public function getCategories()
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{
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if (array_key_exists('categories', $this->data)) {
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return $this->data['categories'];
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}
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10 &&
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$this->getType() !== Reader\Reader::TYPE_RSS_090) {
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$list = $this->xpath->query($this->xpathQueryRss . '//category');
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} else {
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$list = $this->xpath->query($this->xpathQueryRdf . '//rss:category');
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}
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if ($list->length) {
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$categoryCollection = new Reader\Collection\Category;
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foreach ($list as $category) {
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$categoryCollection[] = array(
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'term' => $category->nodeValue,
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'scheme' => $category->getAttribute('domain'),
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'label' => $category->nodeValue,
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);
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}
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} else {
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$categoryCollection = $this->getExtension('DublinCore')->getCategories();
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}
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if (count($categoryCollection) == 0) {
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$categoryCollection = $this->getExtension('Atom')->getCategories();
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}
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$this->data['categories'] = $categoryCollection;
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return $this->data['categories'];
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}
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/**
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* Get a permalink to the entry
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*
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* @return string
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*/
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public function getPermalink()
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{
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return $this->getLink(0);
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}
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/**
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* Get the entry title
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*
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* @return string
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*/
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public function getTitle()
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{
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if (array_key_exists('title', $this->data)) {
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return $this->data['title'];
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}
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$title = null;
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10
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&& $this->getType() !== Reader\Reader::TYPE_RSS_090
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) {
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$title = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/title)');
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} else {
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$title = $this->xpath->evaluate('string(' . $this->xpathQueryRdf . '/rss:title)');
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}
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if (!$title) {
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$title = $this->getExtension('DublinCore')->getTitle();
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}
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if (!$title) {
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$title = $this->getExtension('Atom')->getTitle();
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}
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if (!$title) {
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$title = null;
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}
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$this->data['title'] = $title;
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return $this->data['title'];
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}
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/**
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* Get the number of comments/replies for current entry
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*
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* @return string|null
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*/
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public function getCommentCount()
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{
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if (array_key_exists('commentcount', $this->data)) {
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return $this->data['commentcount'];
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}
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$commentcount = $this->getExtension('Slash')->getCommentCount();
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if (!$commentcount) {
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$commentcount = $this->getExtension('Thread')->getCommentCount();
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}
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if (!$commentcount) {
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$commentcount = $this->getExtension('Atom')->getCommentCount();
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}
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if (!$commentcount) {
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$commentcount = null;
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}
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$this->data['commentcount'] = $commentcount;
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return $this->data['commentcount'];
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}
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/**
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* Returns a URI pointing to the HTML page where comments can be made on this entry
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*
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* @return string
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*/
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public function getCommentLink()
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{
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if (array_key_exists('commentlink', $this->data)) {
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return $this->data['commentlink'];
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}
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$commentlink = null;
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if ($this->getType() !== Reader\Reader::TYPE_RSS_10
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&& $this->getType() !== Reader\Reader::TYPE_RSS_090
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) {
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$commentlink = $this->xpath->evaluate('string(' . $this->xpathQueryRss . '/comments)');
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}
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if (!$commentlink) {
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$commentlink = $this->getExtension('Atom')->getCommentLink();
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}
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if (!$commentlink) {
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$commentlink = null;
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}
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$this->data['commentlink'] = $commentlink;
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return $this->data['commentlink'];
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}
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/**
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* Returns a URI pointing to a feed of all comments for this entry
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*
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* @return string
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*/
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public function getCommentFeedLink()
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{
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if (array_key_exists('commentfeedlink', $this->data)) {
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return $this->data['commentfeedlink'];
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}
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$commentfeedlink = $this->getExtension('WellFormedWeb')->getCommentFeedLink();
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if (!$commentfeedlink) {
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$commentfeedlink = $this->getExtension('Atom')->getCommentFeedLink('rss');
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}
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if (!$commentfeedlink) {
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$commentfeedlink = $this->getExtension('Atom')->getCommentFeedLink('rdf');
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}
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if (!$commentfeedlink) {
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$commentfeedlink = null;
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}
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$this->data['commentfeedlink'] = $commentfeedlink;
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return $this->data['commentfeedlink'];
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}
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/**
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* Set the XPath query (incl. on all Extensions)
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*
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* @param DOMXPath $xpath
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* @return void
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*/
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public function setXpath(DOMXPath $xpath)
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{
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parent::setXpath($xpath);
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foreach ($this->extensions as $extension) {
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$extension->setXpath($this->xpath);
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}
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}
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}
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